| 1 | SIERRA TAHOE ENVIRONMENTAL MANAGEMENT, LLC | $89,598,169 | 2 | $44,799,085 | Jan 17, 2024 | Department of Agriculture |
| 2 | BRINK BROTHERS INC. | $58,710,434 | 5 | $11,742,087 | Sep 25, 2025 | Department of Agriculture |
| 3 | RESEARCH TRIANGLE INSTITUTE | $49,951,691 | 1 | $49,951,691 | Nov 14, 2022 | Agency For International … |
| 4 | CHARLES RIVER LABORATORIES, INC. | $47,279,012 | 11 | $4,298,092 | Jan 20, 2026 | Department of Health and … |
| 5 | WESTERN PILOT SERVICE INC | $43,452,622 | 6 | $7,242,104 | Jul 01, 2026 | Department of the Interior |
| 6 | CO FIRE AVIATION, INC. | $40,475,467 | 5 | $8,095,093 | Jun 22, 2026 | Department of the Interior |
| 7 | AERO SPRAY INC | $36,044,074 | 9 | $4,004,897 | Jun 01, 2026 | Department of the Interior |
| 8 | HENRYS AERIAL SERVICE INC | $32,569,471 | 5 | $6,513,894 | Jul 30, 2026 | Department of the Interior |
| 9 | BURNBOT INC | $32,219,171 | 1 | $32,219,171 | Sep 27, 2023 | Department of Agriculture |
| 10 | PEARL CROP, INC. | $32,075,738 | 1 | $32,075,738 | Feb 26, 2026 | Department of Agriculture |
| 11 | NEW FRONTIER AVIATION, LLC | $28,371,614 | 5 | $5,674,323 | Aug 05, 2026 | Department of the Interior |
| 12 | FLETCHER FLYING SERVICE INC | $27,286,256 | 7 | $3,898,037 | Jun 18, 2026 | Department of the Interior |
